VEVOR F101 Restaurant Pager System 16 Pagers, Max 98 Beepers Wireless Calling System, Touch Keyboard with Vibration, Flashing and Buzzer for Church, Nurse,Hospital & HotelWaterproof Touch Screen Keyboard300-500m Wireless Remote ControlMultiple Prompt ModesLong Standby Battery98 Channels & 16 PagersWide ApplicationHost Machine:,Host Power: 100 mW,The Maximum Number of Channels: 98,Receiver:,Material: ABS plastic,Sub-machine Size: 10.3 x 4.9 x 1 cm/4.06 x 1.92 x 0.39 inch,Host Launch Distance: 300-500 meters,Standby State: 10 mA,Working (Vibration) State: 75 mA,Standby Time: ≥20 hours,Reminder Method: Vibration, Flash, Buzzer,Host Size: 23.5 x 15.8 x 3.6 cm/9.25 x 6.22 x 1.42 inch,Battery: 3.7V/200 mha,Model: F101,Standby Power Consumption: 25 mW,Host Power Supply: DC/9V1A